Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Luxembourgish
Puer
←
German
Paar
(cognate)
←
English
pair
(cognate)
←
French
paire
(cognate)
←
Latin
pār
(derived)
←
Dutch
paar
(cognate)
→
Bavarian
Påår
(cognate)
→
Luxembourgish
puer
(mention)